html,body{
    background:url("../../img/login/login_Background.jpg")  no-repeat fixed;
    background-size:100% 100%;
    width: 100%;
    height: 120%;
}
.login{
    overflow: hidden;
}
.login_subject{
    overflow: hidden;
    float: right;
    margin-top: 25%;
    width: 20%;
    height:40%;
}
.login_btn{
    float: right;
    margin-right: 10%;
}
.bg {
    display: table;width: 100%;height: 100%;padding: 80px 0;text-align: center;color: #fff;
    background:  no-repeat bottom center;
    background-size: cover;}
.my-navbar {padding:20px 0;transition: background 0.5s ease-in-out, padding 0.5s ease-in-out;}
.my-navbar a{background:transparent !important;color:#fff !important}
.my-navbar a:hover {color:#45bcf9 !important;background:transparent;outline:0}
.my-navbar a {transition: color 0.5s ease-in-out;}
.top-nav {padding:0;background:#000;}
button.navbar-toggle {background-color:#fbfbfb;}
button.navbar-toggle > span.icon-bar {background-color:#dedede}